Home / 224,935.87-310,411.57-122,961.78

Finding the Fourth Proportional to 224,935.87, 310,411.57 and 122,961.78

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Solution

The fourth proportional to 224,935.87, 310,411.57 and 122,961.78 is: 169,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,935.87 : 310,411.57 = 122,961.78 : x
  2. Step 2: Convert to fraction form
    224,935.87/310,411.57 = 122,961.78/x
  3. Step 3: Cross multiply
    224,935.87x = 310,411.57 × 122,961.78
  4. Step 4: Simplify right side
    224,935.87x = 38,168,759,179.79
  5. Step 5: Solve for x
    x = 38,168,759,179.79/224,935.87
  6. Step 6: Final answer
    x = 169,687.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.